6987408 has 40 divisors (see below), whose sum is σ = 19114848. Its totient is φ = 2191872.

The previous prime is 6987403. The next prime is 6987419. The reversal of 6987408 is 8047896.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6987408.

It is not an unprimeable number, because it can be changed into a prime (6987403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 5097.

Almost surely, 2^6987408 is an apocalyptic number.

6987408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6987408 is an abundant number, since it is smaller than the sum of its proper divisors (12127440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6987408 is a wasteful number, since it uses less digits than its factorization.

6987408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591 (or 8585 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 6987408 is about 2643.3705756099. The cubic root of 6987408 is about 191.1783464329.

The spelling of 6987408 in words is "six million, nine hundred eighty-seven thousand, four hundred eight".